/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.sentry;

import java.util.Arrays;
import java.util.List;

import org.jetbrains.annotations.ApiStatus;
import org.jetbrains.annotations.Nullable;

/**
 * IpAddressUtils
 *
 * @since 2021-06-02
 **/
@ApiStatus.Internal
public final class IpAddressUtils {
    static final String DEFAULT_IP_ADDRESS = "{{auto}}";
    private static final List<String> DEFAULT_IP_ADDRESS_VALID_VALUES =
        Arrays.asList(DEFAULT_IP_ADDRESS, "{{ auto }}");

    private IpAddressUtils() {
    }

    /**
     * judge the ip is default or not
     *
     * @param ipAddress ipAddress
     * @return boolean
     */
    public static boolean isDefault(final @Nullable String ipAddress) {
        return ipAddress != null && DEFAULT_IP_ADDRESS_VALID_VALUES.contains(ipAddress);
    }
}
